Timbers of Kerala

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Scientific Name  Swietenia macrophylla King
Trade Name  Mahogany
Local Name  Mahogany
Family  Meliaceae
Tree Size  Medium
Tree Height ( m )  12 - 18
Tree Diameter ( cm )  80 - 130
Tree Distribution  An exotic from tropical American regions widely cultivated as an avenue tree
Sapwood-Heartwood Distinction  Distinct
Sapwood Colour  Pale reddish
Heartwood Colour  Reddish brown
Hardness  Moderately hard
Specific Gravity Based on Weight Over-dry and Volume Green  0.68
Weight  Moderately heavy
Weight(Kg)/cubic meter at 12% Moisture Content  773
Texture  Fine to medium coarse textured
Grain  Straight grain
Growth Rings  Distinct
Porosity  Diffuse porous
Vessel Size  Medium sized
Vessel Arrangement  Solitary and in radial multiples of two to three,rarely in clusters
Vessel Diameter   130 - 205 170
Vessel Element Lenght  340 - 580 580
Perforation  Simple
Pit Outline  Polygonal
Pit Size  Small ( 5-7 Ám),vestured
Vessel Ray Pitting  Alternate and polygonal and occurs throughout the ray cell
Ray Nature  Fine to moderately broad, few and widely spaced
Ray Arrangement/Type  One to three seriate with heterogeneous type lll. Body of uniseriate rays wholly made up of squre cells or upright cells
Ray Number  4 - 7
Ray Height  270 - 615 410
Fibre Walls  Thin walled,septate with minute pits on the radial walls
Fiber Length 
Modulus of Rupture in kg/cm2 (Green) 
Modulus of Elasticity in kg/cm2 (Green) 
Modulus of Rupture kg/cm2 (Dry) 
Modulus of Elasticity in kg/cm2 (Dry) 
Uses  Constructional purposes and furniture making, boards & panels, boats & ship building, aircraft plywood, planking and printing blocks
  • Tree Image
  • Timber Gross View
  • TS (100X)
  • TLS(100X)
  • RLS(100X)


College of Forestry - KAU